All digital cameras and some camera accessories rely on batteries. Some accessories like flashguns may use regular AA batteries, but almost all cameras now use rechargeable lithium ion cells which have a longer life and deliver a more consistent power output between charges. AA batteries, as used in some flashguns and older battery grips, come […]
A power bank is a portable power pack which you can use to recharge other devices when you don't have access to mains power. They come in different sizes and capacities and are typically used to recharge phones, cameras or other devices that support USB charging.